| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | WIPO (World Intellectual Property Organization) | 3 | |
| #3 | China | 1 | |
| #4 | EPO (European Patent Office) | 1 | |
| #5 | Hong Kong | 1 | |
| #6 | Republic of Korea | 1 | |
| #7 | Mexico | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Control | |
| #3 | Environmental technology | |
| #4 | Optics | |
| #5 | Machines | |
| #6 | Electrical machinery and energy | |
| #7 | Chemical engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Cox Raleigh L | 14 |
| #2 | Cox Christopher E | 14 |
| #3 | Lejeune Travis L | 1 |
| #4 | Arcemont Murphy M Iii | 1 |
| #5 | Guy Brenda | 1 |
| #6 | Catanzaro Michael D | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO2010093929A1 | An optical pressure activated device | |
| US2010066548A1 | Optical switch | |
| WO2010011942A1 | A switch and switch actuator | |
| US2007236914A1 | Float activated optical switch | |
| EP2165115A1 | An optical switch | |
| US4859327A | Means for water and wastewater treatment |